This bridge is always a tail bridge, i.e. it never needs a following bridge to complete the pipeline. Add a is_tail func to expose this.
Signed-off-by: Luca Ceresoli <[email protected]> --- drivers/gpu/drm/bridge/panel.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 4978ec98a082..102f987b1235 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -58,6 +58,11 @@ static const struct drm_connector_funcs panel_bridge_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, }; +static bool panel_bridge_is_tail(struct drm_bridge *bridge) +{ + return true; +} + static int panel_bridge_attach(struct drm_bridge *bridge, struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) @@ -206,6 +211,7 @@ static void panel_bridge_debugfs_init(struct drm_bridge *bridge, } static const struct drm_bridge_funcs panel_bridge_bridge_funcs = { + .is_tail = panel_bridge_is_tail, .attach = panel_bridge_attach, .detach = panel_bridge_detach, .atomic_pre_enable = panel_bridge_atomic_pre_enable, @@ -297,7 +303,7 @@ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel, panel_bridge->panel = panel; panel_bridge->bridge.of_node = panel->dev->of_node; - panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES; + panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES | DRM_BRIDGE_OP_IS_TAIL; panel_bridge->bridge.type = connector_type; panel_bridge->bridge.pre_enable_prev_first = panel->prepare_prev_first; -- 2.54.0
